Paper/Spigot-Server-Patches/0090-Add-handshake-event-to-allow-plugins-to-handle-clien.patch
Aikar e4d10a6d67
Updated Upstream (Bukkit/CraftBukkit)
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
122289ff Add FaceAttachable interface to handle Grindstone facing in common with Switches
a6db750e SPIGOT-5647: ZombieVillager entity should have getVillagerType()

CraftBukkit Changes:
bbe3d58e SPIGOT-5650: Lectern.setPage(int) causes a NullPointerException
3075579f Add FaceAttachable interface to handle Grindstone facing in common with Switches
95bd4238 SPIGOT-5647: ZombieVillager entity should have getVillagerType()
4d975ac3 SPIGOT-5617: setBlockData does not work when NotPlayEvent is called by redstone current
2020-04-02 17:09:17 -04:00

50 lines
3.1 KiB
Diff

From fe988cd2dccc6a8939b1d9e1a1943dbd29cb17fd Mon Sep 17 00:00:00 2001
From: kashike <kashike@vq.lc>
Date: Wed, 13 Apr 2016 20:21:38 -0700
Subject: [PATCH] Add handshake event to allow plugins to handle client
handshaking logic themselves
diff --git a/src/main/java/net/minecraft/server/HandshakeListener.java b/src/main/java/net/minecraft/server/HandshakeListener.java
index 963dbd0648..d0b9c6e3dc 100644
--- a/src/main/java/net/minecraft/server/HandshakeListener.java
+++ b/src/main/java/net/minecraft/server/HandshakeListener.java
@@ -73,8 +73,33 @@ public class HandshakeListener implements PacketHandshakingInListener {
this.b.close(chatmessage);
} else {
this.b.setPacketListener(new LoginListener(this.a, this.b));
+ // Paper start - handshake event
+ boolean proxyLogicEnabled = org.spigotmc.SpigotConfig.bungee;
+ boolean handledByEvent = false;
+ // Try and handle the handshake through the event
+ if (com.destroystokyo.paper.event.player.PlayerHandshakeEvent.getHandlerList().getRegisteredListeners().length != 0) { // Hello? Can you hear me?
+ com.destroystokyo.paper.event.player.PlayerHandshakeEvent event = new com.destroystokyo.paper.event.player.PlayerHandshakeEvent(packethandshakinginsetprotocol.hostname, !proxyLogicEnabled);
+ if (event.callEvent()) {
+ // If we've failed somehow, let the client know so and go no further.
+ if (event.isFailed()) {
+ chatmessage = new ChatMessage(event.getFailMessage());
+ this.b.sendPacket(new PacketLoginOutDisconnect(chatmessage));
+ this.b.close(chatmessage);
+ return;
+ }
+
+ packethandshakinginsetprotocol.hostname = event.getServerHostname();
+ this.b.socketAddress = new java.net.InetSocketAddress(event.getSocketAddressHostname(), ((java.net.InetSocketAddress) this.b.getSocketAddress()).getPort());
+ this.b.spoofedUUID = event.getUniqueId();
+ this.b.spoofedProfile = gson.fromJson(event.getPropertiesJson(), com.mojang.authlib.properties.Property[].class);
+ handledByEvent = true; // Hooray, we did it!
+ }
+ }
+ // Don't try and handle default logic if it's been handled by the event.
+ if (!handledByEvent && proxyLogicEnabled) {
+ // Paper end
// Spigot Start
- if (org.spigotmc.SpigotConfig.bungee) {
+ //if (org.spigotmc.SpigotConfig.bungee) { // Paper - comment out, we check above!
String[] split = packethandshakinginsetprotocol.hostname.split("\00");
if ( split.length == 3 || split.length == 4 ) {
packethandshakinginsetprotocol.hostname = split[0];
--
2.25.1